Facile Synthesis of 7??Methoxy??2??aryl??3??phenyl/or??H??8??[2??(4, 6??dimethyl??3, 5??dicarbethoxy??pyridyl)]??4H??1??benzopyran??4??ones
A Kumar Soni, GL David Krupadanam…
Index: Soni, Anil Kumar; Krupadanam, G. L. David; Srimannarayana Synthetic Communications, 2007 , vol. 37, # 5 p. 795 - 804
Full Text: HTML
Citation Number: 6
Abstract
Abstract Condensation of 8??formyl??7??methoxy??2??phenyl??4H??1??benzopyran??4??ones (5a–f) with ethyl??3??aminocrotonate (6) in glacial acetic acid under Hantzsch conditions afforded 7?? methoxy??2??aryl??3??phenyl/or??H??8??[2??(4, 6??dimethyl??3, 5??dicarbethoxy??pyridyl)]??4H??1?? benzopyran??4??ones (7a–f) in good yields.
Related Articles:
[Reddy, S. Satyanarayana; Krupadanam, G. L. David Synthetic Communications, 2010 , vol. 40, # 9 p. 1292 - 1304]
Synthesis and properties of 3-acyl-γ-pyrones, a novel class of flavones and chromones
[Ganguly; Kaur; Mahata; Biswas; Pramanik; Chan Tetrahedron Letters, 2005 , vol. 46, # 23 p. 4119 - 4121]
Synthesis and properties of 3-acyl-γ-pyrones, a novel class of flavones and chromones
[Ganguly; Kaur; Mahata; Biswas; Pramanik; Chan Tetrahedron Letters, 2005 , vol. 46, # 23 p. 4119 - 4121]